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2105441553 = 34117117411
BaseRepresentation
bin111110101111110…
…0111110100010001
312102201202111211210
41331133213310101
513302443112203
6544530530333
7103113646365
oct17537476421
95381674753
102105441553
11990515446
124a91369a9
13277274907
1415d8a52a5
15c4c8e803
hex7d7e7d11

2105441553 has 8 divisors (see below), whose sum is σ = 2875725216. Its totient is φ = 1369392800.

The previous prime is 2105441549. The next prime is 2105441579. The reversal of 2105441553 is 3551445012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2105441553 - 22 = 2105441549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2105441553.

It is not an unprimeable number, because it can be changed into a prime (2105441593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8558583 + ... + 8558828.

It is an arithmetic number, because the mean of its divisors is an integer number (359465652).

Almost surely, 22105441553 is an apocalyptic number.

It is an amenable number.

2105441553 is a deficient number, since it is larger than the sum of its proper divisors (770283663).

2105441553 is a wasteful number, since it uses less digits than its factorization.

2105441553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17117455.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 2105441553 is about 45885.0907485209. The cubic root of 2105441553 is about 1281.6842966102.

Adding to 2105441553 its reverse (3551445012), we get a palindrome (5656886565).

The spelling of 2105441553 in words is "two billion, one hundred five million, four hundred forty-one thousand, five hundred fifty-three".

Divisors: 1 3 41 123 17117411 51352233 701813851 2105441553